I am not sure if this is a bug or you meant to do this, but item frames are able to Ben place do on the ground in Minecraft pc and in Minecraft thicket edition they are not, again, not sure if this is a glitch or meant to happen.
MCPE-45054
item frame size on the ground
Resolved
Works As Intended
0
Thank you for your report!
However, this issue has been closed.
Going forward we're going to be tracking parity issues and feature requests on the Minecraft Feedback Site, and we'll be tracking bugs here at bugs.mojang.com.
We're already working on achieving parity across versions where possible, and we're very keen to hear your requests or suggestions, so we'd encourage you to make a post at https://feedback.minecraft.net, or upvote an existing topic there.
item frames: on ceiling and floor
If you're not sure whether your issue is a parity request or a bug, hopefully this article will help explain further: Parity Request Guide
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